diff --git a/functions b/functions
index 941312f..3051e81 100644
--- a/functions
+++ b/functions
@@ -400,6 +400,9 @@ add_module() {
     done < <(modinfo -b "$_optmoduleroot" -k "$KERNELVERSION" -0 "$target" 2>/dev/null)

     if (( !found )); then
+        if grep "$target" "$_optmoduleroot/lib/modules/$KERNELVERSION/modules.builtin" > /dev/null 2>&1; then
+            return 0
+        fi
         (( ign_errors || _addedmodules["$target"] )) && return 0
         error "module not found: \`%s'" "$target"
         return 1